Portland, OR Weather & Growing Conditions
Overnight
59°F
Areas Of Smoke
Areas of smoke. Clear. Low around 59, with temperatures rising to around 61 overnight. North northwest wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Areas Of Smoke | 7 mph NNW | 0% |
| Tuesday | 95°F | Areas Of Smoke | 8 mph NNE | 0% |
| Tuesday Night | 64°F | Smoke | 3 to 8 mph N | 0% |
| Wednesday | 98°F | Areas Of Smoke | 5 mph NNW | 0% |
| Wednesday Night | 66°F | Clear | 1 to 5 mph NNW | 0% |
| Thursday | 97°F | Sunny | 3 mph NNW | 0% |
| Thursday Night | 63°F | Clear | 1 to 6 mph NNW | 0% |
| Friday | 92°F | Sunny | 1 to 7 mph N | 0% |
| Friday Night | 61°F | Mostly Clear | 3 to 8 mph NNW | 0% |
| Saturday | 87°F | Sunny | 3 to 9 mph NNW | 0% |
| Saturday Night | 58°F | Mostly Clear | 3 to 9 mph NNW | 0% |
| Sunday | 80°F | Sunny | 3 to 8 mph NNW | 0% |
| Sunday Night | 56°F | Mostly Clear | 2 to 8 mph NNW | 0% |
| Monday | 80°F | Sunny | 2 to 7 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Portland, OR
Last spring frost
Feb 25
First fall frost
Dec 1
Growing season
280 days
Hardiness zone
8b
Explore more for Portland, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Portland Kgw-Tv, Or (0.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.